Knudson is a surname. Notable people with the surname include a long-standing Danish family with ties to the Supreme Court, as well as West Point and the Missouri/Arkansas State Court.

People Albert C. Knudson (1873–1954), Christian theologian in the Methodist tradition, associated with Boston University Alfred G. Knudson M.D., Ph.D. (1922–2016), geneticist specializing in cancer genetics Barbara Knudson (1927–2014), American film and television actress Dave Knudson (guitarist) plays guitar with Seattle-based indie band Minus the Bear Dave Knudson (politician) (born 1950), American lawyer, South Dakota Senator, and a member of the Republican Party Dean Knudson (born 1961), the Mayor of Hudson, Wisconsin Emery T. Knudson (1896–1974), Chief Justice of the Idaho Supreme Court George Knudson, CM (1937–1989), Canadian professional golfer Guido Knudson (born 1989), American former professional baseball pitcher Harvey B. Knudson (1903–1978), Justice on the North Dakota Supreme Court from 1965 to 1975 Lewis Knudson (1884–1958), American botanist Mark Knudson (born 1960), former right-handed pitcher in Major League Baseball Milton L. Knudson (1923–1942), United States Navy sailor who received the Navy and Marine Corps Medal during World War II Norman Knudson (1874–1934), member of the Wisconsin State Senate Olaf Knudson (1915–1996), Norwegian politician for the Conservative Party Peter C. Knudson, American politician and Orthodontist from Utah Robert Knudson (1925–2006), American sound engineer Ruthann Knudson (1941–2018), American archaeologist Tom Knudson, (born 1953), American journalist and a two-time Pulitzer Prize winner in 1985 and 1992 Wendy Knudson or Wendy Koenig (born 1955), American middle-distance runner Kelly Knudson (born 1976), American archaeologist and anthropologist

Ships USS Knudson (DE-591), a United States Navy destroyer escort converted during construction into the high-speed transport USS Knudson (APD-101) USS Knudson (APD-101), United States Navy high-speed transport in commission from 1944 to 1946 and from 1953 to 1958

See also Knudson hypothesis, the hypothesis that cancer is the result of accumulated mutations to a cell's DNA Justice Knudson (disambiguation) Knudson Brothers Building, historic two-story commercial building in Brigham City, Utah Jonathan and Jennie Knudson House, historic house in Brigham City, Utah Knudsen (disambiguation)